Question

a student was asked to find the 7/9 of a certain number. he made a mistake of finding 9/7 of the number. his answer was 70 more than the certain number, find the number?

Answer 1

Let the number be x

According to question:

$\frac{9}{7} (x) = 70 + x$
$9x = 490 + 7x$
$2x = 490$
$x= 245$
Ans. 245

Hope it helps

Your Truly

Yumieo

Answer 2

The answer of it is 245 as shown in the above answer